8405005

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{197}}^1$

素因数の和:285

約数の個数: 32

約数和(自身を含む): 12317184

約数和(自身を除く): 3912179

約数列:

[1, 5, 7, 23, 35, 53, 115, 161, 197, 265, 371, 805, 985, 1219, 1379, 1855, 4531, 6095, 6895, 8533, 10441, 22655, 31717, 42665, 52205, 73087, 158585, 240143, 365435, 1200715, 1681001, 8405005]

約数ペア:

[(1, 8405005), (5, 1681001), (7, 1200715), (23, 365435), (35, 240143), (53, 158585), (115, 73087), (161, 52205), (197, 42665), (265, 31717), (371, 22655), (805, 10441), (985, 8533), (1219, 6895), (1379, 6095), (1855, 4531)]